Wringer



ill!

Patented a. 1, 1940 WRINGER Walter L. Kauflmamll, Erie, Pa assignor to Lovell Manufacturing Company, Eric, Pa., a corporation of Pennsylvania Application July 11, 1932, Serial No. 621,922

.10 Claims.

In the operation of power wringers there is a certain amount of danger of the operator becoming caught in the rolls and receiving serious injury therefrom. In order to obviate this danger means have been provided for relieving the pressure on the rolls in order-to reduce the injury. In order that such a device may be useful for its purpose, it is necessary that it be so simple and obvious in its operation as to be acted upon by the operator under the conditions of fright, or panic which ordinarily prevail when the operator is caught. The present invention is designed to provide a release which, from its position and arrangement, can be instantly, conveniently and almost instinctively actuated by the operator when caught. Features and details of the invention will appear from the specification and claims. a

A preferred embodiment of the invention is illustrated in the accompanying drawing as follows: J

Fig. 1 shOWS an elevation of the wringer, partly in section. I

Fig. 2 an enlarged view of one end of the top bar showing its connection with the stile.

Fig. 3 an enlarged view of the opposite end of the top bar showing the connection with the stile at that end.

Fig. 4 a section on the line 4-4 in Fig. 2.

Fig. 5 a perspective view of a latch plate.

1! marks the base of the wringer, 2 and 3 the side stiles, 4 and 5 the wringer rolls, 6 and I the shafts of the rolls, 6 and 9 the bearings for the shafts, H) a spring forming the pressure means acting on the upper bearings, and H a screw adjusting the spring and exerting pressure from the top bar l2. The top bar 12 is of channel form with the ends preferably closed, the top bar telescoping over the top of the side stiles.

The outer wall of the stile 3 has a perforattion l3 into which extends the head l4 of a,

screw IS. The screw extends through a perforation IS in the end of the top bar and through a spacing collar H. A nut I8 is arranged on the outer end 01 the screw and the screw is tightened on the top bar and the spacing collar I1.

Latch plates l9 are arranged 2t each side of the stile 2. These pl es have pit-mt perforations through which lips 2| struck up from the side walls of the stile 2 extend, thus Icrming a pivotal connection for the plates and also a stop for the pivotalmovement. These plates are connected by a cross plate 22 so that they form an integral unit. The plates each have latch the hooks it, either one end hooks 23 which engage inwardly turned locking lips 24 which extend from the lower ends of flanges 25 on a trip lever 26. Pivot extensions 21 extend from the lips 24 into pivot perforations 28 in the side walls of the cross bar. Stop shoulders 29 are arranged on the plates l9 and engage the outer ends of the lips 24 when the lever 26 is in locked position. This engagement of the ends of the lips 24 with the shoulders 2! prevents the accidental disengagement oi the hooks 23 from the locking lips. A spring 30 is tensioned between the top bar and the lever 26 and holds it yieldingly in locking position.

A release plate it has a pivot extension 32 which extends into an opening 33 in the release end of the cross bar. The plate 3| extends under the endof the lever 26 and as it is rocked on the extension 32 in either direction the up-lift of one or the other-of the edges of the plate 3| acting on the outer end. of the lever 26 raises the lever 26 carrying the ends of the lips 24 out of engagement with the shoulders 29. This same movement tilts the lips under the hooks at the point of engagement with thehooks 23 so that 23 slide off the inclined lips and release the top bar and as the top bar is released at this end of the wringer it raises and permits the unhooking of the opposite end if the raising movement is continued.

An operating bar 34 is secured to or extends from the plate 3|. It extends across the'wringer abovethe top bar. It has a downward and lateral elf-set 36 to expose and clear the screw II. The opposite end of the operating bar 34 from its attachment with the plate 3| has a downwardly extending arm 31 which is provided with a perforation 38 forming a bearing on the specing collar, or sleeve l1.

In the operation of the wringer, when this operating bar is moved either forward, or back, by the operator, the pivotal movement of the bar as defined by the pivot formed by the screw l5 and the extension 32 operates the plate 3| lifting the edge of this plate and raising the release lever 26 and accomplishing the disengagement of the hooks from the latch plates and the consequent release of the top bar and with it the pressure on the spring. It will be noted that th'm top bar has a uniform movement throughout its length so that wherever the operator hits or the other, it responds with a similar movement either to the front, or rear, depending on whether it is a push, or pull, and this movement actuates the release device. It will be noted also that a. single operating rod extends across the wringer and that this rod is directly above the wringer so that there is nothing to obstruct, or interfere with its immediate engagement in a convenient manner by the operator. It places the operating rod in a position where it is brought immediately to the notice of the operator and is, of necessity, of a form indicating to the average operator its purpose. It, therefore, makes a simple structure mechanically and one that may be readily and conveniently operated, and so positioned as to be almost instinctively reached by the operator in the panic incident to an accident.

What I claim as new is:

1. In a wringer having a frame, rolls mounted in the frame, and the combination with the pressure means and frame of a pressure means for the rolls, said means comprising a spring extending across the wringer above the rolls and exerting pressure at its ends upon the rolls and devices at the center of the spring restraining the spring; a safety release device for the means comprising an operating bar extending over the top of the wringer and having movement of the bar in parallel with the axes of the rolls for actuating the release device.

2. In a wringer having a frame, rolls mounted in the frame; a pressure means for the rolls, said means comprising a spring extending across the wringer above the rolls and exerting pressure at its ends upon the rolls and devices at the center of the spring restraining the spring, and a safety release device for the means comprising an operating bar pivotally mounted on an axis parallel with the axes of the rolls and extending over the top of the wringer for actuating the release device.

3. In a wringer having a frame, rolls mounted in the frame, a top bar on the frame, a pressure means for the rolls acting from the top bar, and a safety release device for the means comprising a releasable securing mechanism for the top bar; the combination with said safety release device of an operating bar extending over the top of the wringer and having movement of the bar in parallel with the axis of the rolls for actuating said mechanism to release the top bar.

4. In a wringer having a frame, rolls mounted in the frame, a top bar on the frame, a pressure means for the rolls acting from the top ban and a safety release device for the means comprising a releasable securing mechanism for the top bar; the combination with a safety release of an operating bar pivotally mounted on an axis parallel to the axis of the rolls and extending over the top of the wringer for acutating the mechanism.

5. In a wringer having a frame, rolls mounted in the frame, a top bar on the frame, a pressure means for the rolls acting from the top bar, and a safety release device for the means comprising a releasable securing mechanism for the top bar; the combination with a safety release of an operating bar mounted on the top bar and having movement of the bar in parallel with the axes of the rolls for actuating said mechanism to release the top bar.

6. In a wringer having a frame, rolls mounted in the frame, a top bar on the frame, a pressure means for the rolls acting from the top bar, and a safety release device for the means comprising a releasable securing mechanism for the top bar; the combination with a safety release of an operating bar mounted on the top bar and extending over the top of the wringer and having movement of the bar in parallel with the axes of the rolls for actuating said mechanism to release the top bar.

7. In a wringer having a frame, rolls mounted in the frame, a top bar on the frame, a pressure means for the rolls acting from the top bar, and a safety release device for the means comprising a releasable securing mechanism for the top bar, the combination with a safety release of an operating bar pivotally mounted on the top bar and on an axis parallel to the axes of the rolls for actuating the mechanism to release the top bar.

8. In a wringer having a frame, rolls mounted in the frame, a top bar on the frame, a pressure means for the rolls acting from the top bar, and a safety release device for the means comprising a releasable securing mechanism for the top bar; the combination with a safety release of an operating bar pivotally mounted on the top bar and on an axis below the bar and parallel to the axes of the rolls for actuating the mechanism to release the top bar.

9. In a wringer having a frame, rolls mounted in the frame, a top bar on the frame, a pressure means for the rolls acting from the top bar, and a safety release device for the means comprising a latch mechanism releasably connecting the top bar with the frame; the combination with a safety release of a bar pivotally mounted on the top bar and having an axis parallel to the axis of the frame actuating said latch mechanism to release the top bar.

10. In a wringer having a frame, rolls mounted in the frame, a top bar on the frame, a pressure means for the rolls acting from the top bar, and a safety release device for the means comprising a latch mounted on the frame, a release lever securing the latch, the combination with a safety release of an operating bar pivotally mounted on an axis parallel to the axis of the wringer actuating said release lever to release the latch.

WALTER L. KAUFFMAN, II.

CERTIFICATE or CORRECTION. I 3 Patent No. 2,216,198. W October 1, 19in.

WALTER L. KAUFFMANgII.

It is hereby certified that error appears in the printed specification of the shove numbered patent requiring correction as follows: Page 2," first column, lines l6and17, claim 1, strike out the words "-the combination with the pressure means and frame of" and insert the same after the semicolon andbefore "a" in line 22, same claim; and that the said Letters Patent should be read with this correction therein that the same may conform to the record of the casein the Petentoffice.

Signed and sealed this 27th day of Jannary, A. D. 19u2.

Henry Van Arsdale, (Seal) Acting Commissioner of Patents. 

